公开(公告)号：JPS61105445A

公开(公告)日：1986-05-23

申请号：JP10807984

申请日：1984-05-28

Applicant: Shimadzu Corp

Inventor： IWASAKI HIDEO

IPC: G01N21/05

CPC classification number: G01N21/05 ,  G01N2021/0346

Abstract: PURPOSE:To eliminate the influence of the refractive index of a measuring liquid by providing a long-sized cylindrical optical path provided with a liquid inlet and liquid outlet and constituting a light incident face of a planoconvex lens. CONSTITUTION:The liquid inlet 2, the liquid outlet 3, the long-sized cylindrical optical path 4 and the planoconvex lens 5, etc. are provided. The flow cell is so constituted that the wavelength light of a wax. incident angle is also irradiated to a photodiode 8 through a transmission face without striking against the inside wall of the optical path 4. The refraction of the light at the boundary face between the lens 5 and the liquid changes when the refractive index changes as a result of the change of the liquid to be introduced into the path 4 and therefore the transmission state of the light is subjected to the change as well but since the focal length of the lens 5 is adjusted to about the same as the optical path length, the reflection of the measuring light at the inside wall of the optical path does not arise within the range of the ordinarily considered refractive index changes. As a result the change of the intensity of the transmitted light owing to the change of the refractive index does not arise and the influence by said refractive index change is eliminated.

Abstract translation: 目的：通过提供设置有液体入口和液体出口并构成平凸透镜的光入射面的长圆柱形光路来消除测量液体的折射率的影响。 构成：提供液体入口2，液体出口3，长圆柱形光路4和平凸透镜5等。 流动池被构成为蜡的波长光。 入射角也通过透射面照射到光电二极管8，而不会碰到光路4的内壁。因此，当折射率变化时，透镜5与液体之间的边界面处的光的折射改变 导入到路径4中的液体的变化，因此光的透过状态也发生变化，但是由于透镜5的焦距被调整为与光程长度大致相同， 在通常的折射率变化的范围内，测量光在光路的内壁的反射不会发生。 结果，由于折射率的变化导致的透射光的强度的变化不会发生，并且消除了所述折射率变化的影响。

公开(公告)号：JPH1057935A

公开(公告)日：1998-03-03

申请号：JP23975596

申请日：1996-08-21

Applicant: SHIMADZU CORP ,  TAKUMA KK

Inventor： IWASAKI HIDEO ,  KANO IKUO ,  HOTTA TAKATOSHI ,  KITAMURA KENICHI ,  OSUMI KAZUO ,  ITO AKIHIRO

IPC: F23J3/00 ,  B09B3/00 ,  B09B5/00

Abstract: PROBLEM TO BE SOLVED: To automatically control a water addition quantity according to the properties of soot and dust before kneading. SOLUTION: A water addition quantity data storage part 4 stores data of the water addition quantity to P-alkalinity and a water addition quantity calculating part 6 calculates a water addition quantity corresponding to a measured value at an alkalinity measuring part in accordance with the data at the water addition quantity data storing part 4. A water addition control part 8 controls an operation of a water addition part so that the water addition quantity from the water addition part becomes a quantity calculated by the water addition quantity calculating part 6.

公开(公告)号：JPH052931B2

公开(公告)日：1993-01-13

申请号：JP10748883

申请日：1983-06-14

Applicant: SHIMADZU CORP

Inventor： IWASAKI HIDEO ,  KUWATA KOJI ,  MITO YASUTAKA

IPC: G01J3/36 ,  G01J1/18 ,  G01J1/44 ,  G01J3/28 ,  G01J3/42

公开(公告)号：JPS57108738A

公开(公告)日：1982-07-06

申请号：JP18736680

申请日：1980-12-26

Applicant: SHIMADZU CORP

Inventor： IWASAKI HIDEO ,  OOKUBO KUNIHIKO ,  FUKUDA KATSUO

IPC: G01N21/00 ,  G01N21/17 ,  G01N29/00

Abstract: PURPOSE:To detect without fail the absorption caused by a sample with any wavelength in a wide range from an ultrared region through a visible range, by securing such constitution in which the continuous spectrum beam radiated from a light source is irradiated to a photo-acoustic cell via a beam chopper means. CONSTITUTION:The white beam of a continuous spectrum which is radiated from a xenon lamp 2 is separated by a diffraction grating 6 via a lens 3, a slit 4 and a mirror 5. Then the spectra having the wavelengths of 230mm. among the separated ones are cut by a shielding plate 7, and others are condensed again by a condenser lens 8. These spectrum beams are made incident to an optical sound cell 10 while being intermitted by a beam chopper means 9. The signal proportional to the light absorption quantity of a sample is obtained from a piezo-resistance effect element 11 of the cell 10 by a photo-acoustic effect to be recorded by a recorder 13 via a lock-in amplifier 12.

公开(公告)号：JPS56157822A

公开(公告)日：1981-12-05

申请号：JP6210380

申请日：1980-05-10

Applicant: SHIMADZU CORP

Inventor： IWASAKI HIDEO ,  MITO YASUTAKA

IPC: G01J3/36 ,  G01J3/02 ,  G01J3/06 ,  G01J3/28

Abstract: PURPOSE:To perform a spectrum measurement of high resolving power by using a diode array, by inserting a filter crossing the whole optical path of a spectrometer. CONSTITUTION:An incandescent electric lamp 1 emits visible rays, while a heavy- water lamp 2 emits rays in the ultraviolet region. A concave mirror 3 converges the rays from the incandenscent electric lamp 1 and the heavy-water lamp 2 on an inlet slit 7. The rays having permeated through a sample 6 is passed through the slit 7 and made incident on a concave diffraction grating 8, where the rays are dispersed, forming the extinction spectrum of the sample 6 on a diode array 9. A rotary filter 5 is arranged so as to cross the whole optical path and rotated by means of a pulse motor 4.

公开(公告)号：JPS62167422A

公开(公告)日：1987-07-23

申请号：JP27046685

申请日：1985-11-30

Applicant: SHIMADZU CORP

Inventor： IWASAKI HIDEO ,  MITO YASUTAKA

IPC: G01N21/01 ,  G01J3/28 ,  G01J3/42

Abstract: PURPOSE:To efficiently prevent the generation of the error of a detection value based on the variation in the dark signal of a photodiode array (FDA) or that in the brightness of a light source, by thermostatically holding FDA to stabilize the dark signal. CONSTITUTION:At first, because FDA and a diode 7 are mounted in the same thermostatic container 8, both of them are respectively held to a constant temp. of 30 deg.C. When an irradiation light path is closed by a blocking plate 61, the outputs, that is, the dark signals of 501 respective elements of FDA5 are detected and subjected to A/D conversion by an A/D converter 92 to be stored in a calculation part 93. Subsequently, when the light path is opened by the blocking plate 61, irradiated light is transmitted through a flow cell 2 to be spectrally diffracted by a diffraction lattice 4 and detected by FDA5 and a part thereof is detected by the diode 71. In this case, the outputs of 501 elements at the point of time (t) are respectively stored in the memory of the calculation part 93 and, at the same time, the intensity of irradiated light is detected by the diode 71 to be stored similarly. These data are calculated on the basis of a predetermined formula and the absorbancy of a specimen at the detection time (t) is calculated for each wavelength.

公开(公告)号：JPS6218008B2

公开(公告)日：1987-04-21

申请号：JP2599681

申请日：1981-02-23

Applicant: SHIMADZU CORP

Inventor： MITO YASUTAKA ,  IWASAKI HIDEO

IPC: G01N21/27 ,  G01J3/42 ,  G01N30/74

公开(公告)号：JPS5543248A

公开(公告)日：1980-03-27

申请号：JP11614878

申请日：1978-09-20

Applicant: SHIMADZU CORP

Inventor： IWASAKI HIDEO ,  KIYOFUJI AKINORI

IPC: F04B23/06 ,  F04B13/00

Abstract: PURPOSE:To use constantly high sensitivity detector causing no pulsation for discharge flow rate without giving any restriction for sensitivity of detector thereof for a high speed liquid chromatography. CONSTITUTION:A downward stroke of push rod 7 is acted with a cam 5 by means of a cam follower 6 resisting against the elastic force of compression coil spring 9, the upward stroke of a push rod 7 being actuated by an elastic force of coil spring 9, the motion thereof is usually regulated by a cam 5 by means of the cam follower 6. This enables the confluence intake which is comminicated by means of respective plunger 10 controllable respectively by three cams 5 having 120 deg. out-of-phase by actuating the plunger 10 which acts in an identical motion with the push rod 7 and a check valve, the intake of liquid phase of discharge flow-way, and the discharge performance to ensure without causing a pulsation.